各位大神,mysql在处理并发控制时,怎么给共享变量加锁,达到无论几个人同时访问,只有一个人对数据有控制权,能够避免读脏数据,丢失修改,达到二级锁的效果呢,找了好长时间的资料了,都没弄明白,望大神解救啊. 比如。create talbe test_table (test int ); 怎么实现test字段的控制
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